Chung, a 72 year old engineer from Orange, California was charged with eight counts of economic espionage in 2008. Chung had secret clearance for work on the U.S. Space Shuttle program that he performed as an employee for both Rockwell International and Boeing. According to the indictment, Chung took trade secrets related to both the Space Shuttle and the C-17 military transport aircraft and Delta IV rocket and attempted to pass it on to the People s Republic of China. Chung claims he is innocent and had stored documents to write a book.
Source: https://threatpost.com/dongfan-greg-chung-boeing/91794/